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d02b48c6 | 1 | /* crypto/bio/b_dump.c */ |
58964a49 | 2 | /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
d02b48c6 RE |
3 | * All rights reserved. |
4 | * | |
5 | * This package is an SSL implementation written | |
6 | * by Eric Young (eay@cryptsoft.com). | |
7 | * The implementation was written so as to conform with Netscapes SSL. | |
8 | * | |
9 | * This library is free for commercial and non-commercial use as long as | |
10 | * the following conditions are aheared to. The following conditions | |
11 | * apply to all code found in this distribution, be it the RC4, RSA, | |
12 | * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
13 | * included with this distribution is covered by the same copyright terms | |
14 | * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
15 | * | |
16 | * Copyright remains Eric Young's, and as such any Copyright notices in | |
17 | * the code are not to be removed. | |
18 | * If this package is used in a product, Eric Young should be given attribution | |
19 | * as the author of the parts of the library used. | |
20 | * This can be in the form of a textual message at program startup or | |
21 | * in documentation (online or textual) provided with the package. | |
22 | * | |
23 | * Redistribution and use in source and binary forms, with or without | |
24 | * modification, are permitted provided that the following conditions | |
25 | * are met: | |
26 | * 1. Redistributions of source code must retain the copyright | |
27 | * notice, this list of conditions and the following disclaimer. | |
28 | * 2. Redistributions in binary form must reproduce the above copyright | |
29 | * notice, this list of conditions and the following disclaimer in the | |
30 | * documentation and/or other materials provided with the distribution. | |
31 | * 3. All advertising materials mentioning features or use of this software | |
32 | * must display the following acknowledgement: | |
33 | * "This product includes cryptographic software written by | |
34 | * Eric Young (eay@cryptsoft.com)" | |
35 | * The word 'cryptographic' can be left out if the rouines from the library | |
36 | * being used are not cryptographic related :-). | |
37 | * 4. If you include any Windows specific code (or a derivative thereof) from | |
38 | * the apps directory (application code) you must include an acknowledgement: | |
39 | * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
40 | * | |
41 | * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
42 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
43 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
44 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
45 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
46 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
47 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
48 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
49 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
50 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
51 | * SUCH DAMAGE. | |
52 | * | |
53 | * The licence and distribution terms for any publically available version or | |
54 | * derivative of this code cannot be changed. i.e. this code cannot simply be | |
55 | * copied and put under another distribution licence | |
56 | * [including the GNU Public Licence.] | |
57 | */ | |
58 | ||
59 | /* | |
60 | * Stolen from tjh's ssl/ssl_trc.c stuff. | |
61 | */ | |
62 | ||
63 | #include <stdio.h> | |
64 | #include "cryptlib.h" | |
65 | #include "bio.h" | |
66 | ||
67 | #define TRUNCATE | |
68 | #define DUMP_WIDTH 16 | |
69 | ||
6b691a5c | 70 | int BIO_dump(BIO *bio, const char *s, int len) |
d02b48c6 RE |
71 | { |
72 | int ret=0; | |
73 | char buf[160+1],tmp[20]; | |
74 | int i,j,rows,trunc; | |
75 | unsigned char ch; | |
76 | ||
77 | trunc=0; | |
78 | ||
79 | #ifdef TRUNCATE | |
80 | for(; (len > 0) && ((s[len-1] == ' ') || (s[len-1] == '\0')); len--) | |
81 | trunc++; | |
82 | #endif | |
83 | ||
84 | rows=(len/DUMP_WIDTH); | |
85 | if ((rows*DUMP_WIDTH)<len) | |
86 | rows++; | |
87 | for(i=0;i<rows;i++) { | |
88 | buf[0]='\0'; /* start with empty string */ | |
89 | sprintf(tmp,"%04x - ",i*DUMP_WIDTH); | |
90 | strcpy(buf,tmp); | |
91 | for(j=0;j<DUMP_WIDTH;j++) { | |
92 | if (((i*DUMP_WIDTH)+j)>=len) { | |
93 | strcat(buf," "); | |
94 | } else { | |
95 | ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff; | |
96 | sprintf(tmp,"%02x%c",ch,j==7?'-':' '); | |
97 | strcat(buf,tmp); | |
98 | } | |
99 | } | |
100 | strcat(buf," "); | |
101 | for(j=0;j<DUMP_WIDTH;j++) { | |
102 | if (((i*DUMP_WIDTH)+j)>=len) | |
103 | break; | |
104 | ch=((unsigned char)*((char *)(s)+i*DUMP_WIDTH+j)) & 0xff; | |
105 | sprintf(tmp,"%c",((ch>=' ')&&(ch<='~'))?ch:'.'); | |
106 | strcat(buf,tmp); | |
107 | } | |
108 | strcat(buf,"\n"); | |
109 | /* if this is the last call then update the ddt_dump thing so that | |
110 | * we will move the selection point in the debug window | |
111 | */ | |
112 | ret+=BIO_write(bio,(char *)buf,strlen(buf)); | |
113 | } | |
114 | #ifdef TRUNCATE | |
115 | if (trunc > 0) { | |
116 | sprintf(buf,"%04x - <SPACES/NULS>\n",len+trunc); | |
117 | ret+=BIO_write(bio,(char *)buf,strlen(buf)); | |
118 | } | |
119 | #endif | |
120 | return(ret); | |
121 | } | |
122 |